Term
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Definition
| A segment (or line, ray, or plane) that is perpendicular to a segment at its midpoint. |
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Definition
| Having the same distance from two points or lines. |
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Definition
| When three or more lines (or rays or segments) intersect at the same point. |
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Term
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Definition
| The point of intersection of three or more concurrent lines. |
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Term
| Circumcenter of a triangle |
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Definition
| The point of concurrency of the three perpendicular bisectors of a triangle. |
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Term
| Angle Bisector of a Triangle |
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Definition
| A bisector of an angle of the triangle. |
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Term
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Definition
| The point of concurency of the three angle bisectors of a triangle. |
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Term
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Definition
| A segment in a triangle whose endpoints are a vertex of the triangle and the midpoint of the opposite side. |
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Term
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Definition
| The point of concurrency of the three medians of the triangle. |
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Term
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Definition
| The perpendicular segment from a vertex to the opposite side or the line that contains the opposite side. |
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Term
| Orthocenter of a Triangle |
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Definition
| The point of concurrency of the three altitudes of a triangle. |
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Term
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Definition
| A segment that connects the midpoints of two sides of a triangle. |
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Term
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Definition
| A proof in which you prove that a statement is true by first assuming that its opposite is true. |
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